<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>

    <!-- import CSS -->
    <link
      rel="stylesheet"
      href="https://cdn.staticfile.org/element-ui/2.15.9/theme-chalk/index.css"
    />
  </head>
  <body>
    <div id="app">
      <el-container>
        <el-header>Header</el-header>
        <el-main>Main</el-main>
        <el-footer>Footer</el-footer>
      </el-container>
      <h1>上,下(左,右)</h1>
      <el-container>
        <el-header>Header</el-header>
        <el-container>
          <el-aside width="200px">Aside</el-aside>
          <el-main>Main</el-main>
        </el-container>
      </el-container>
      <h1>左,右(上,中,下)</h1>
      <el-container>
        <el-aside width="200px">Aside</el-aside>
        <el-container>
          <el-header>Header</el-header>
          <el-main>Main</el-main>
          <el-footer>Footer</el-footer>
        </el-container>
      </el-container>
    </div>
  </body>
  <!-- import Vue before Element -->
  <script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
  <!-- import JavaScript -->
  <script src="https://cdn.staticfile.org/element-ui/2.15.9/index.min.js"></script>
  <script>
    let v = new Vue({
      el: "#app",
      data: function () {
        return {};
      },
      methods: {},
    });
  </script>
</html>
